SOURCE-TO-CLAIM TRACEABILITY Complete evidence graph: 30 claims linked to 63 archival entries Grouped by evidentiary function, not rhetorical force. Open a claim to trace its ARC records, PAG page references and official links. Judicial findings, parliamentary citations and research leads are not interchangeable.
All evidence 30 Wartime and official records 15 Judicial findings 2 Government and Diet records 5 Additional research records 8
CLM-0001 Wartime and official records · 1 ARC A 1937 wartime record assigns 18 researchers to bacteriological research in a Kwantung Army warhorse disease prevention unit. Original Chinese source description：CLM-0001 CLM-0002 Wartime and official records · 1 ARC A 1941 frostbite presentation identifies Yoshimura as an Army technical specialist attached to Unit 731. Original Chinese source description：CLM-0002 CLM-0003 Wartime and official records · 2 ARC Postwar unit-number records link 731, 659 and several affiliated branch designations. Original Chinese source description：CLM-0003 CLM-0004 Wartime and official records · 1 ARC A 1953 official history dates formation of the Kwantung Army epidemic prevention unit to 10 July 1940 in Harbin. Original Chinese source description：CLM-0004 CLM-0005 Wartime and official records · 1 ARC A 1940 document records the transfer of research weapons to the Kwantung Army Chemical Department. Original Chinese source description：CLM-0005 CLM-0006 Wartime and official records · 1 ARC The Kwantung Army Chemical Department established research guidelines in 1941. Original Chinese source description：CLM-0006 CLM-0007 Wartime and official records · 4 ARC Multiple documents trace chemical supplies through stockholding, allocation, distribution and battlefield records. Original Chinese source description：CLM-0007 CLM-0008 Wartime and official records · 1 ARC Records survive for the provisional organization and demobilization of the South China prevention and water supply unit. Original Chinese source description：CLM-0008 CLM-0009 Wartime and official records · 1 ARC A January 1941 completion report concerns reorganization and partial return of the Central China unit. Original Chinese source description：CLM-0009 CLM-0010 Wartime and official records · 13 ARC The Southern Army report group contains a parent entry, cover and eleven substantive field reports. Original Chinese source description：CLM-0010 CLM-0011 Wartime and official records · 1 ARC A Southern Army field report signed by Murai concerns measuring quinine in urine. Original Chinese source description：CLM-0011 CLM-0012 Wartime and official records · 3 ARC On 30 September 1944, the North China organization produced a branch-location chart, organization chart and Beijing headquarters duty table. Original Chinese source description：CLM-0012 CLM-0013 Judicial findings · 1 ARC The 2002 Tokyo District Court judgment identifies several wartime prevention units, their designations and associated locations. Original Chinese source description：CLM-0013 CLM-0014 Wartime and official records · 1 ARC A Tokyo Trial evidence index records command relationships concerning prisoner-of-war camp sanitation. Original Chinese source description：CLM-0014 CLM-0015 Government and Diet records · 1 ARC A Japanese government witness confirmed Ikeda joined the Kwantung Army prevention organization in August 1940. Original Chinese source description：CLM-0015 CLM-0016 Government and Diet records · 2 ARC A 1940 personnel list cited in a 2025 parliamentary question names Ikeda as a medical department member. Original Chinese source description：CLM-0016 CLM-0017 Government and Diet records · 2 ARC A postwar account cited by a parliamentarian refers to experimental results involving people; this is a citation, not an official government finding. Original Chinese source description：CLM-0017 CLM-0018 Government and Diet records · 1 ARC A Defense Ministry representative emphasized assessing historical documents through provenance, timing and corroborating sources. Original Chinese source description：CLM-0018 CLM-0019 Government and Diet records · 1 ARC A 1952 government statement placed Wakamatsu at the head of the Kwantung Army warhorse disease prevention facility from July 1942. Original Chinese source description：CLM-0019 CLM-0020 Wartime and official records · 8 ARC Records trace Ishii-designated filtration equipment through handling, forwarding, provisional standardization and secret classification. Original Chinese source description：CLM-0020 CLM-0021 Additional research records · 6 ARC Army records describe the equipment designations, handling and management of Ishii-style water filters and filtration vehicles. Original Chinese source description：CLM-0021 CLM-0022 Additional research records · 1 ARC National Diet Library reproductions are leads for locating original chemical agent efficacy research documents. Original Chinese source description：CLM-0022 CLM-0023 Additional research records · 1 ARC A November 1943 South China field poison testing manual is identified by title but its original collection locator remains unresolved. Original Chinese source description：CLM-0023 CLM-0024 Judicial findings · 1 ARC A 2002 Tokyo District Court ruling addresses germ warfare by Japanese forces between 1940 and 1942. Original Chinese source description：CLM-0024 CLM-0025 Additional research records · 2 ARC Specific frames of a 1940 personnel list contain tables of officers and civilian-equivalent personnel. Original Chinese source description：CLM-0025 CLM-0026 Additional research records · 1 ARC A published secondary transcription proposes department leaders and staff in 1940, pending original-page verification. Original Chinese source description：CLM-0026 CLM-0027 Additional research records · 1 ARC Several department-head entries are blank in the available secondary transcription of a 1940 personnel list. Original Chinese source description：CLM-0027 CLM-0028 Additional research records · 1 ARC Unit 659 reserve personnel registers are known in several image, PDF and transcription formats. Original Chinese source description：CLM-0028 CLM-0029 Additional research records · 1 ARC A document collection catalogs a South China field poison testing manual dated November 1943. Original Chinese source description：CLM-0029 CLM-0030 Wartime and official records · 1 ARC In July 2025 the Guangdong Provincial Archives announced receipt of color scans of an 8604 personnel roster covering 860 members listed as of February 1945. Original Chinese source description：CLM-0030 claims: 30 / 30.
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